/* ===============================
   Global Styles & Variables
   =============================== */
:root {
    --primary-blue: #0066cc;
    --secondary-blue: #004494;
    --accent-yellow: #ffd700;
    --dark-blue: #003366;
    --light-blue: #e6f2ff;
    --text-dark: #1a1a1a;
    --text-gray: #666666;
    --text-light: #999999;
    --white: #ffffff;
    --background: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 102, 204, 0.15);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===============================
   Typography
   =============================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-blue);
}

/* ===============================
   Navigation
   =============================== */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-blue);
}

.navbar-brand:hover {
    color: var(--primary-blue);
}

.logo {
    height: 40px;
    width: auto;
}

.brand-text {
    font-size: 1.5rem;
}

.navbar-toggler {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.navbar-toggler span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-blue);
    transition: var(--transition);
}

.navbar-menu {
    display: flex;
    align-items: center;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-blue);
    border-bottom-color: var(--accent-yellow);
}

.nav-link.btn-primary {
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    border: none;
    color: var(--white);
}

/* ===============================
   Buttons
   =============================== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-align: center;
    border-radius: 5px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: var(--accent-yellow);
    color: var(--dark-blue);
}

.btn-secondary:hover {
    background-color: #ffed4e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
}

.btn-outline:hover {
    background-color: var(--primary-blue);
    color: var(--white);
}

.btn-light {
    background-color: var(--white);
    color: var(--primary-blue);
}

.btn-outline-light {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}

.btn-outline-light:hover {
    background-color: var(--white);
    color: var(--primary-blue);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-icon {
    margin-right: 0.5rem;
}

/* ===============================
   Hero Section
   =============================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/images/hero-pattern.svg');
    opacity: 0.1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 4rem 20px;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--white);
    line-height: 1.1;
}

.hero-title .highlight {
    color: var(--accent-yellow);
    display: block;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
}

.feature-icon {
    color: var(--accent-yellow);
    font-weight: bold;
    font-size: 1.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===============================
   Section Headers
   =============================== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-gray);
}

/* ===============================
   Services Section
   =============================== */
.services-overview {
    padding: 5rem 0;
    background-color: var(--background);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--primary-blue);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-top-color: var(--accent-yellow);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

.service-features {
    list-style: none;
    margin: 1.5rem 0;
}

.service-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-gray);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-yellow);
    font-weight: bold;
}

.service-link {
    color: var(--primary-blue);
    font-weight: 600;
    display: inline-block;
    margin-top: 1rem;
}

.service-link:hover {
    color: var(--secondary-blue);
    transform: translateX(5px);
}

/* ===============================
   Why Choose Us Section
   =============================== */
.why-choose-us {
    padding: 5rem 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-box {
    text-align: center;
    padding: 2rem 1rem;
    transition: var(--transition);
}

.feature-box:hover {
    transform: scale(1.05);
}

.feature-icon-large {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.feature-box h3 {
    margin-bottom: 0.5rem;
}

.feature-box p {
    color: var(--text-gray);
}

/* ===============================
   Process Section
   =============================== */
.process-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 2rem 1rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary-blue);
    font-weight: bold;
}

/* ===============================
   Service Areas
   =============================== */
.service-areas {
    padding: 5rem 0;
    background: var(--white);
}

.areas-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.area-tag {
    padding: 0.75rem 1.5rem;
    background: var(--light-blue);
    color: var(--primary-blue);
    border-radius: 25px;
    font-weight: 500;
    transition: var(--transition);
}

.area-tag:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: scale(1.05);
}

/* ===============================
   Blog Section
   =============================== */
.recent-posts {
    padding: 5rem 0;
    background: var(--background);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.blog-image {
    height: 200px;
    overflow: hidden;
    background: var(--light-blue);
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    margin-bottom: 1rem;
}

.blog-date {
    color: var(--text-light);
    font-size: 0.875rem;
}

.blog-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.blog-content p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog-link {
    color: var(--primary-blue);
    font-weight: 600;
}

.blog-link:hover {
    color: var(--secondary-blue);
}

.text-center {
    text-align: center;
}

/* ===============================
   CTA Section
   =============================== */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===============================
   Footer
   =============================== */
.footer {
    background: var(--dark-blue);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--accent-yellow);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-yellow);
    color: var(--dark-blue);
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

/* ===============================
   Responsive Design
   =============================== */
@media (max-width: 768px) {
    .navbar-toggler {
        display: flex;
    }

    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: var(--shadow);
    }

    .navbar-menu.active {
        display: block;
    }

    .navbar-nav {
        flex-direction: column;
        padding: 1rem 0;
    }

    .nav-link {
        padding: 1rem 20px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .process-steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .services-grid,
    .features-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
}


/* [Mevcut CSS kodunuz buraya kadar...] */

/* ===============================
   Services Detail Page
   =============================== */
.services-detail {
    padding: 5rem 0;
    background: var(--background);
}

.service-detail-card {
    background: var(--white);
    border-radius: 10px;
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow);
}

.service-detail-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.service-icon-large {
    font-size: 4rem;
}

.service-tagline {
    color: var(--text-gray);
    font-size: 1.125rem;
    margin: 0;
}

.service-detail-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

.service-detail-content ul {
    list-style: none;
    margin: 1rem 0;
}

.service-detail-content ul li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
}

.service-detail-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-yellow);
    font-weight: bold;
    font-size: 1.25rem;
}

.service-cta {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
    text-align: center;
}

/* ===============================
   Contact Page
   =============================== */
.page-hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 4rem 0 3rem;
    text-align: center;
}

.page-hero h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
}

.contact-section {
    padding: 5rem 0;
    background: var(--background);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.contact-info-box, .contact-form-box {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.info-items {
    margin: 2rem 0;
}

.info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.info-icon {
    font-size: 2rem;
    min-width: 50px;
}

.info-content h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.info-content a {
    color: var(--primary-blue);
    font-weight: 600;
}

.info-note {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

.quick-contact {
    background: var(--light-blue);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 2rem;
}

.quick-contact h3 {
    margin-bottom: 0.5rem;
}

.quick-contact p {
    margin-bottom: 1.5rem;
}

.service-areas-map {
    padding: 5rem 0;
    background: var(--white);
}

/* ===============================
   Forms
   =============================== */
.contact-form {
    margin-top: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

textarea.form-control {
    resize: vertical;
}

.text-danger {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.form-note {
    margin-top: 1rem;
    text-align: center;
}

.btn-block {
    width: 100%;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ===============================
   About Page
   =============================== */
.about-section {
    padding: 5rem 0;
    background: var(--white);
}

.about-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.about-intro .lead {
    font-size: 1.25rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.about-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.about-text h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.values-list {
    list-style: none;
    margin: 1.5rem 0;
}

.values-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.values-list li:last-child {
    border-bottom: none;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.stat-card {
    background: var(--light-blue);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    border-left: 4px solid var(--primary-blue);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-gray);
    font-weight: 600;
}

.why-us-section, .team-section {
    padding: 5rem 0;
    background: var(--background);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.principle-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
}

.principle-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

/* ===============================
   Blog Pages
   =============================== */
.blog-list-section {
    padding: 5rem 0;
    background: var(--background);
}

.blog-author {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-left: 1rem;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tag {
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.875rem;
    font-weight: 500;
}

.no-posts {
    text-align: center;
    padding: 4rem 0;
}

/* Blog Detail */
.blog-detail-hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 4rem 0 3rem;
}

.blog-detail-meta {
    margin-bottom: 1rem;
}

.blog-detail-meta .blog-date,
.blog-detail-meta .blog-author {
    color: rgba(255, 255, 255, 0.8);
    margin-right: 1rem;
}

.blog-detail-hero h1 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.blog-detail-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
}

.blog-detail-content {
    padding: 4rem 0;
    background: var(--white);
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.content-wrapper h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

.content-wrapper h3 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--primary-blue);
}

.content-wrapper p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.content-wrapper ul {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.content-wrapper ul li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.content-wrapper strong {
    color: var(--dark-blue);
    font-weight: 600;
}

.related-posts {
    padding: 5rem 0;
    background: var(--background);
}

.related-posts h2 {
    text-align: center;
    margin-bottom: 3rem;
}

/* ===============================
   Responsive - Additional
   =============================== */
@media (max-width: 768px) {
    .about-content-grid {
        grid-template-columns: 1fr;
    }

    .service-detail-header {
        flex-direction: column;
        text-align: center;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .blog-detail-hero h1 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2rem;
    }
}